GUACAMOLE-249: Claim support only for RDP orders that are explicitly supported, independently of any FreeRDP defaults.
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36f227586e
commit
1bc9384ea8
@ -1144,7 +1144,6 @@ static char* guac_rdp_strdup(const char* str) {
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void guac_rdp_push_settings(guac_client* client,
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guac_rdp_settings* guac_settings, freerdp* rdp) {
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BOOL bitmap_cache = !guac_settings->disable_bitmap_caching;
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rdpSettings* rdp_settings = rdp->settings;
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/* Authentication */
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@ -1312,37 +1311,22 @@ void guac_rdp_push_settings(guac_client* client,
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rdp_settings->LoadBalanceInfoLength = strlen(guac_settings->load_balance_info);
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}
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/* Order support */
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rdp_settings->BitmapCacheEnabled = bitmap_cache;
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rdp_settings->BitmapCacheEnabled = !guac_settings->disable_bitmap_caching;
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rdp_settings->OffscreenSupportLevel = !guac_settings->disable_offscreen_caching;
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rdp_settings->GlyphSupportLevel = !guac_settings->disable_glyph_caching ? GLYPH_SUPPORT_FULL : GLYPH_SUPPORT_NONE;
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rdp_settings->OsMajorType = OSMAJORTYPE_UNSPECIFIED;
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rdp_settings->OsMinorType = OSMINORTYPE_UNSPECIFIED;
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rdp_settings->DesktopResize = TRUE;
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/* Claim support only for specific updates, independent of FreeRDP defaults */
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ZeroMemory(rdp_settings->OrderSupport, GUAC_RDP_ORDER_SUPPORT_LENGTH);
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rdp_settings->OrderSupport[NEG_DSTBLT_INDEX] = TRUE;
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rdp_settings->OrderSupport[NEG_PATBLT_INDEX] = FALSE; /* PATBLT not implemented */
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rdp_settings->OrderSupport[NEG_SCRBLT_INDEX] = TRUE;
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rdp_settings->OrderSupport[NEG_OPAQUE_RECT_INDEX] = FALSE; /* PATBLT not implemented, and OPAQUE_RECT implies PATBLT */
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rdp_settings->OrderSupport[NEG_DRAWNINEGRID_INDEX] = FALSE;
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rdp_settings->OrderSupport[NEG_MULTIDSTBLT_INDEX] = FALSE;
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rdp_settings->OrderSupport[NEG_MULTIPATBLT_INDEX] = FALSE;
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rdp_settings->OrderSupport[NEG_MULTISCRBLT_INDEX] = FALSE;
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rdp_settings->OrderSupport[NEG_MULTIOPAQUERECT_INDEX] = FALSE;
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rdp_settings->OrderSupport[NEG_MULTI_DRAWNINEGRID_INDEX] = FALSE;
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rdp_settings->OrderSupport[NEG_LINETO_INDEX] = FALSE;
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rdp_settings->OrderSupport[NEG_POLYLINE_INDEX] = FALSE;
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rdp_settings->OrderSupport[NEG_MEMBLT_INDEX] = bitmap_cache;
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rdp_settings->OrderSupport[NEG_MEM3BLT_INDEX] = FALSE;
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rdp_settings->OrderSupport[NEG_MEMBLT_V2_INDEX] = bitmap_cache;
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rdp_settings->OrderSupport[NEG_MEM3BLT_V2_INDEX] = FALSE;
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rdp_settings->OrderSupport[NEG_SAVEBITMAP_INDEX] = FALSE;
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rdp_settings->OrderSupport[NEG_GLYPH_INDEX_INDEX] = TRUE;
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rdp_settings->OrderSupport[NEG_FAST_INDEX_INDEX] = TRUE;
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rdp_settings->OrderSupport[NEG_FAST_GLYPH_INDEX] = TRUE;
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rdp_settings->OrderSupport[NEG_POLYGON_SC_INDEX] = FALSE;
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rdp_settings->OrderSupport[NEG_POLYGON_CB_INDEX] = FALSE;
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rdp_settings->OrderSupport[NEG_ELLIPSE_SC_INDEX] = FALSE;
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rdp_settings->OrderSupport[NEG_ELLIPSE_CB_INDEX] = FALSE;
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rdp_settings->OrderSupport[NEG_MEMBLT_INDEX] = !guac_settings->disable_bitmap_caching;
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rdp_settings->OrderSupport[NEG_MEMBLT_V2_INDEX] = !guac_settings->disable_bitmap_caching;
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rdp_settings->OrderSupport[NEG_GLYPH_INDEX_INDEX] = !guac_settings->disable_glyph_caching;
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rdp_settings->OrderSupport[NEG_FAST_INDEX_INDEX] = !guac_settings->disable_glyph_caching;
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rdp_settings->OrderSupport[NEG_FAST_GLYPH_INDEX] = !guac_settings->disable_glyph_caching;
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}
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@ -58,6 +58,16 @@
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*/
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#define GUAC_RDP_DEFAULT_RECORDING_NAME "recording"
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/**
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* The number of entries contained within the OrderSupport BYTE array
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* referenced by the rdpSettings structure. This value is defined by the RDP
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* negotiation process (there are 32 bytes available within the order
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* negotiation field sent during the connection handshake) and is hard-coded
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* within FreeRDP. There is no public constant for this value defined within
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* the FreeRDP headers.
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*/
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#define GUAC_RDP_ORDER_SUPPORT_LENGTH 32
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/**
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* All supported combinations of security types.
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*/
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